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A Local Gardener - 22nd February 2025

Anterior Definition In botany, anterior refers to the front or outward-facing part of a plant structure, typically in relation to an axis, point of attachment,...

Annual

A Local Gardener - 22nd February 2025

Annual Definition An annual is a plant that completes its entire life cycle—germination, vegetative growth, flowering, seed production, and death—within a single growing season. Annuals...

Anbury (Clubroot) Overview Scientific Name: Plasmodiophora brassicae (causal organism)Common Name: Anbury, ClubrootType: Soil-borne disease affecting brassicasAffected Plants: Cabbage, cauliflower, broccoli, Brussels sprouts, turnips, radishes, and...

Alpha-Naphthalene Acetic Acid

A Local Gardener - 20th February 2025

Alpha-Naphthalene Acetic Acid Overview Chemical Name: Alpha-Naphthalene Acetic Acid (α-NAA)Common Name: Naphthylacetic acid, NAAType: Synthetic plant hormone (auxin)Use in Horticulture: Rooting hormone, fruit thinning agent,...

Ammonium Polysulphide

A Local Gardener - 20th February 2025

Got it! Here’s the revised entry with sulphur instead of sulfur: Ammonium Polysulphide Overview Chemical Name: Ammonium polysulphide (NH₄)₂SₓCommon Name: Ammonium polysulphide solutionType: Inorganic compoundUse in Horticulture:...

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Breaking

RHS Hardiness Ratings	USDA Plant Hardiness Zones	Approximate Temperature Range (°C)
H1a H1b H1c	13 12 11	>15°C 10 to 15°C 5 to 10°C
H2	10b	1 to 5°C
H3	9b to 10a	-5 to 1°C
H4	8b to 9a	-10 to -5°C
H5	7b to 8a	-15 to -10°C
H6	6b and 7a	-20 to -15°C
H7	6a	Below -20°C

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